Statewide Landslide Information Database for Oregon (SLIDO)

Oregon Department of Geology and Mineral Industries

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What is the Statewide Landslide Information Database for Oregon?

SLIDO is compilation of landslides in Oregon that have been identified on published maps. The database contains only landslides that have been located on these maps. Many landslides have not yet been located or are not on these maps and therefore are not in this database. This database does not contain information about relative hazards. The interactive map lets you view information on location, type, and other attributes related to identified landslides in Oregon. The original studies vary widely in scale, scope, and focus, which is reflected in a wide range in the accuracy, detail, and completeness with which the landslides are mapped.

SLIDO data are available as downloads, as web services, or for purchase on DVD. Learn more.

Updated December 29, 2014
SLIDO 3.2 includes 41,029 landslide deposit polygons and landslide-related features from 351 published and unpublished studies, 12,095 historical landslide point locations, and 72 locations of detailed studies on individual landslides.

What do I need to use the map viewer?

To view the map, your browser must have Adobe Flash Player and must allow cookies. The map will run on the Macintosh operating system, but users of Apple iOS devices (iPhone, iPod Touch, iPad) will need to obtain a Flash-enabled, third-party browser such as Skyfire or Puffin. Note that DOGAMI does not endorse any particular third-party software.